<!DOCTYPE html>
<html>
  <head>
    <title>Test munderover with empty scripts</title>
  </head>
  <body>

    <p>munder / munderover with empty overscript:
    <math>
      <munder style="background: red;">
        <mtext style="background-color: rgba(0, 0, 255, 0.4);">AAA</mtext>
        <mtext style="background-color: rgba(0, 255, 0, 0.4);">bbb</mtext>
      </munder>
    </math></p>

    <p>mover / munderover with empty underscript:
    <math>
      <mover style="background: red;">
        <mtext style="background-color: rgba(0, 0, 255, 0.4);">AAA</mtext>
        <mtext style="background-color: rgba(0, 255, 0, 0.4);">bbb</mtext>
      </mover>
    </math></p>

    <p>mrow / munder with empty scripts:
    <math>
      <mrow style="background: red;">
        <mtext style="background-color: rgba(0, 0, 255, 0.4);">AAA</mtext>
      </mrow>
    </math></p>

  </body>
</html>
